[REBOL] file! url! are subset of datatype ... ?

From: anton::lexicon::net at: 12-Aug-2002 17:17

What datatype are file! and url!
a subset of?

Example:

	func [
		input-file [file! url!]
	][...]

What can I replace [file! url!] with
that will allow both a file! and url!
to go through?
[port!] ? But

	port? %afile ;== false

Just wondering.

Anton.

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